Gear shift aligner designed to straighten misaligned gear hangers. It fits most wheels from 20" to 29". It is used by screwing it to the hanger in the gearbox housing, it is rotated on its axis and the pointer will indicate the distance from the rim along its entire circumference. At this point thanks to its long lever it act to make the distance of the pointer is uniform along the entire circumference. Manufactured in thick steel and plated with chrome to guarantee long life.